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3 years ago

A cheetah can run at a speed of 60 miles per hour how far can it run in 0.5 hours

Mathematics

1 answer:

damaskus [11]3 years ago

4 0

30 miles
Because you’re cutting the time in half and the same should apply to the speed

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Please please help me

Gekata [30.6K]

Answer:

$\large\boxed{\dfrac{\boxed{8}}{81}}$

Step-by-step explanation:

$\text{If}\ a_1,\ a_2,\ a_3,\ a_4,\ ...,\ a_n\ \text{is the geometric sequence, then}\\\\\dfrac{a_2}{a_1}=\dfrac{a_3}{a_2}=\dfrac{a_4}{a_3}=...=\dfrac{a_n}{a_{n-1}}=constant=r-\text{common ration}.\\\\\text{We have}\ \dfrac{1}{2},\ \dfrac{1}{3},\ \dfrac{2}{9},\ \dfrac{4}{27},\ ...\\\\\dfrac{\frac{1}{3}}{\frac{1}{2}}=\dfrac{1}{3}\cdot\dfrac{2}{1}=\dfrac{2}{3}\\\\\dfrac{\frac{2}{9}}{\frac{1}{3}}=\dfrac{2}{9}\cdot\dfrac{3}{1}=\dfrac{2}{3}\\\\\dfrac{\frac{4}{27}}{\frac{2}{9}}=\dfrac{4}{27}\cdot\dfrac{9}{2}=\dfrac{2}{3}$

$\bold{CORRECT}\\\\\dfrac{x}{\frac{4}{27}}=\dfrac{2}{3}\qquad\text{multiply both sides by}\ \dfrac{4}{27}\\\\x=\dfrac{2}{3}\cdot\dfrac{4}{27}\\\\x=\dfrac{8}{81}$

8 0

3 years ago

PLEASE HELP WILL GIVE BRAINLIEST

xxTIMURxx [149]

Answer:

11/40 + 1/4 + 1/20

Step-by-step explanation:

Draw a Venn diagram: (as shown)

Consumer Ed. : 22-4=18

French : 20-4=16

Neither : 80-18-16-4=42

Using probability notation where P(A) means probability of event A occurring.

P(Consumer Ed.) = 22/80

P(French) = 20/80

P(Both) = 4/80

<em>'or ' </em>in the question means you add.

=> 22/80 + 20/80 + 4/80

=> 11/40 + 1/4 + 1/20

4 0

3 years ago

Read 2 more answers

A rectangle has a length of 10 inches and a perimeter of 48 inches. Which equation could be used to find the width of the rectan

Art [367]

D. 48=20+2w
<em>because the perimeter (48) is equal to 2 times the width (2w) and 2 times the length (2*10)</em>

4 0

3 years ago

The length of a rectangle is 5.9 cm more than 3 times the width. If the perimeter of the rectangle is 57.4cm, what are it's dime

navik [9.2K]

Answer:

l = 23 cm and w = 5.7 cm

Step-by-step explanation:

Perimeter = twice the length plus twice the width

let w = width

let l = length

l = 5.9 + 3w

57.4 = 2(5.9 + 3w) + 2w

57.4 = 11.8 + 6w + 2w

57.4 = 11.8 + 8w

45.6 = 8w

w = 5.7

Substitute 5.7 for 'w' to get 'l':

l = 5.9 + 3(5.7)

l = 23

6 0

3 years ago

Como se daca el area de un triangulo

Ivahew [28]

Area= base x altura dividido entre 2

7 0

3 years ago